The Shaft,shouldered, cataloged under National Stock Number 3040-00-658-0621, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-658-0621 |
| Primary Part Number | SM-B-187156 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | ACTIVE |
| Largest Step Diameter | 0.438 INCHES NOMINAL IN |
| FSC Application Data | TELETYPE AND FACSIMILE EQUIPMENT |
| First End Style | PLAIN |
| Second End Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL |
| End Similarity | NOT IDENTICAL |
| Step Quantity | 3 |
| Second End Style | PLAIN |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SM-B-187156 PRIMARY | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 55694 | Kleinschmidt Inc (USA) |
NSN 3040-00-658-0621 is a Shaft,shouldered, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-658-0621 has 2 cross-referenced part numbers: SM-B-187156 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 55694 (Kleinschmidt Inc).
There is 1 known substitute for 3040-00-658-0621: 2530-00-709-5921. Verify interchangeability with system specifications before substitution.
Key specifications for SM-B-187156: Largest Step Diameter: 0.438 INCHES NOMINAL IN; FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT; First End Style: PLAIN; Second End Diameter: 0.2500 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.